UNT Libraries Government Documents Department - 31 Matching Results

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Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.
Item Type: Refine your search to only Patent

Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
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Cycle-Car

Description: Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date: November 29, 1921
Creator: {Payne, Luther M.}; {Miller, Lee A.} & {Douglas, John J.}
Item Type: Refine your search to only Patent

Draft-Equalizer.

Description: Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: October 7, 1919
Creator: Dudley, Thomas J. & Bryant, Marvin H.
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Fastening

Description: Patent for fastening. This invention is comprised of a threaded member and a socket that are adapted to a screw. Illustration included.
Date: October 26, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
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Fruit-Drier.

Description: Patent for a fruit drier that includes "a series of hinged trays adapted to be folded into small compact form." (lines 11-13) including instructions and illustrations.
Date: March 24, 1914
Creator: Reid, William
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Gin Saw Cleaner

Description: Patent for a gin-saw cleaner. The invention "relates to gin-saw cleansers and tooth-straighteners, and has for its object to produce a device of this character which will be simple of construction, efficient in operation, and one in which the saw-engaging knives or members may be simultaneously adjusted to regulate them for operation upon saws which are spaced apart a greater or lesser distance" (lines 8-16) illustration included.
Date: June 9, 1903
Creator: Stanifer, William D.
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Linting Machine.

Description: Patent for a linting machine (Carver type) that contains an air pocket at the end of the passage to prevent cotton from clogging the machine.
Date: August 10, 1920
Creator: Woodrow, George N. & Bruce, Thomas D.
Item Type: Refine your search to only Patent

Method of Sealing the Walls of Deep Wells

Description: Patent for a new and useful method of dealing the walls of deep wells in which the means for lining oil wells by the use of the customary metal casing is avoided, the cost is very materially reduced, and numerous expenses and failures are avoided.
Date: November 29, 1921
Creator: Nolan, William E.
Item Type: Refine your search to only Patent

Post Hole Auger

Description: Patent for an improved post-hole digger/auger with multiple blades that cut in a spiral pattern and has the blades adjust and lock on the base. The blade shanks form a cage and keeps dirt from clogging the blades.
Date: May 22, 1915
Creator: Hoover, Orville M. & Ardery, Sarah, J.
Item Type: Refine your search to only Patent

Rail Fastening

Description: Patent for rail fastening. This invention is designed to fasten railroad rails and consists spikes, bolts, and a flange. Illustration included.
Date: June 15, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
Item Type: Refine your search to only Patent

Rail-Fastening.

Description: Patent for a rail fastening for padding the connection between the rail and the tie, which has a stronger connection than previous versions of this type of device.
Date: December 24, 1907
Creator: Percival, Herbert E.
Item Type: Refine your search to only Patent

Railroad Tie

Description: Patent for a new design of railroad-ties meant "for clamping together the two members of the tie and for adjusting them relatively to each other so as to adapt them to clamp rails of different widths" (lines 13-16), with illustrations.
Date: November 4, 1913
Creator: Grant, James K.
Item Type: Refine your search to only Patent

Railway-Tie.

Description: Patent for improvements in railway ties, specifically railway ties in the "metallic" class. The ties in this class are affixed to the rails without the need for spikes.
Date: March 6, 1906
Creator: Rollins, William A.
Item Type: Refine your search to only Patent

Spring

Description: Patent for a spring to be adapted to vehicles for supporting heavy loads and absorbing sudden shocks. Illustrations included.
Date: July 11, 1911
Creator: Snow, Arthur L.
Item Type: Refine your search to only Patent

Spring.

Description: Patent for an improvement in springs. "Designed particularly for use upon carriages, wagons, and motor or other cars and more particularly to the type os springs known as elliptic or semi-elliptic" (lines 10-14).
Date: unknown
Creator: Snow, Arthur Leland
Item Type: Refine your search to only Patent
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